Data Center Network Failure Detection BRKDCT-2333 Arkadiy Shapiro Manager, Technical Marketing NX-OS and Nexus 2000 – 7000
[email protected] or @ArkadiyShapiro Session Goals At the end of the session, the participants should understand: • Where failure detection fits in achieving network fast convergence • Design aspects of network failure detection in a data center environment • Which failure detection technologies are needed to achieve Data Center business needs and SLAs • Advances in network failure detection technologies BRKDCT-2333 © 2015 Cisco and/or its affiliates. All rights reserved. Cisco Public 5 Session Non-goals This session does not include: • Discussion on other aspects of fast convergence beyond failure detection • Discussion on user-driven failure detection methods (ping, traceroute etc) and using scripts / EEM to automate reaction based on result / Syslog / SNMP trap • Troubleshooting • Detailed roadmap discussion for related Cisco products BRKDCT-2333 © 2015 Cisco and/or its affiliates. All rights reserved. Cisco Public 6 Agenda • Overview • Layer 1 Failure Detection • Layer 2 Failure Detection • Layer 3 Failure Detection • Additional Failure Detection Mechanisms • Summary BRKDCT-2333 © 2015 Cisco and/or its affiliates. All rights reserved. Cisco Public 7 Agenda • Overview • Layer 1 Failure Detection • Layer 2 Failure Detection • Layer 3 Failure Detection • Additional Failure Detection Mechanisms • Summary BRKDCT-2333 © 2015 Cisco and/or its affiliates. All rights reserved. Cisco Public 8 Routing Convergence in Action A quick reminder… D: I don’t care, nothing changes for me D B: my link to C is down C: my link to B is down A B C A: Ok, fine, will use path via D B: Ooops.